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Asterisk data retrieval API.

Browse Source 
This module implements an abstraction for retrieving and exporting
asterisk data.
Developed by:
	Brett Bryant <brettbryant@gmail.com>
	Eliel C. Sardanons (LU1ALY) <eliels@gmail.com>
For the Google Summer of code 2009 Project.
Documentation can be found in doxygen format and inside the
header include/asterisk/data.h

Review: https://reviewboard.asterisk.org/r/275/



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@258517 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Eliel C. Sardanons
2010-04-22 18:07:02 +00:00
parent 8096f0fecc
commit a753e8878b
13 changed files with 4540 additions and 46 deletions
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134
main/channel.c
View File

@@ -65,6 +65,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/timing.h"
#include "asterisk/autochan.h"
#include "asterisk/stringfields.h"
#include "asterisk/data.h"
#ifdef HAVE_EPOLL
#include <sys/epoll.h>
@@ -133,6 +134,52 @@ static AST_RWLIST_HEAD_STATIC(backends, chanlist);
#define NUM_CHANNEL_BUCKETS 1567
#endif
#define DATA_EXPORT_CHANNEL(MEMBER) \
MEMBER(ast_channel, blockproc, AST_DATA_STRING) \
MEMBER(ast_channel, appl, AST_DATA_STRING) \
MEMBER(ast_channel, data, AST_DATA_STRING) \
MEMBER(ast_channel, name, AST_DATA_STRING) \
MEMBER(ast_channel, language, AST_DATA_STRING) \
MEMBER(ast_channel, musicclass, AST_DATA_STRING) \
MEMBER(ast_channel, accountcode, AST_DATA_STRING) \
MEMBER(ast_channel, peeraccount, AST_DATA_STRING) \
MEMBER(ast_channel, userfield, AST_DATA_STRING) \
MEMBER(ast_channel, call_forward, AST_DATA_STRING) \
MEMBER(ast_channel, uniqueid, AST_DATA_STRING) \
MEMBER(ast_channel, linkedid, AST_DATA_STRING) \
MEMBER(ast_channel, parkinglot, AST_DATA_STRING) \
MEMBER(ast_channel, hangupsource, AST_DATA_STRING) \
MEMBER(ast_channel, dialcontext, AST_DATA_STRING) \
MEMBER(ast_channel, _softhangup, AST_DATA_INTEGER) \
MEMBER(ast_channel, streamid, AST_DATA_INTEGER) \
MEMBER(ast_channel, vstreamid, AST_DATA_INTEGER) \
MEMBER(ast_channel, oldwriteformat, AST_DATA_INTEGER) \
MEMBER(ast_channel, _state, AST_DATA_INTEGER) \
MEMBER(ast_channel, rings, AST_DATA_INTEGER) \
MEMBER(ast_channel, priority, AST_DATA_INTEGER) \
MEMBER(ast_channel, macropriority, AST_DATA_INTEGER) \
MEMBER(ast_channel, amaflags, AST_DATA_INTEGER) \
MEMBER(ast_channel, adsicpe, AST_DATA_INTEGER) \
MEMBER(ast_channel, fin, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, fout, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, hangupcause, AST_DATA_INTEGER) \
MEMBER(ast_channel, flags, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, nativeformats, AST_DATA_INTEGER) \
MEMBER(ast_channel, readformat, AST_DATA_INTEGER) \
MEMBER(ast_channel, writeformat, AST_DATA_INTEGER) \
MEMBER(ast_channel, rawreadformat, AST_DATA_INTEGER) \
MEMBER(ast_channel, rawwriteformat, AST_DATA_INTEGER) \
MEMBER(ast_channel, emulate_dtmf_duration, AST_DATA_UNSIGNED_INTEGER) \
MEMBER(ast_channel, visible_indication, AST_DATA_INTEGER) \
MEMBER(ast_channel, transfercapability, AST_DATA_INTEGER) \
MEMBER(ast_channel, context, AST_DATA_STRING) \
MEMBER(ast_channel, exten, AST_DATA_STRING) \
MEMBER(ast_channel, macrocontext, AST_DATA_STRING) \
MEMBER(ast_channel, macroexten, AST_DATA_STRING)
AST_DATA_STRUCTURE(ast_channel, DATA_EXPORT_CHANNEL);
/*! \brief All active channels on the system */
static struct ao2_container *channels;
@@ -211,6 +258,17 @@ struct ast_variable *ast_channeltype_list(void)
return var;
}
int ast_channel_data_add_structure(struct ast_data *tree, struct ast_channel *chan)
{
return ast_data_add_structure(ast_channel, tree, chan);
}
int ast_channel_data_cmp_structure(const struct ast_data_search *tree,
struct ast_channel *chan, const char *structure_name)
{
return ast_data_search_cmp_structure(tree, ast_channel, chan, structure_name);
}
/*! \brief Show channel types - CLI command */
static char *handle_cli_core_show_channeltypes(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
@@ -6422,12 +6480,88 @@ static int ast_channel_hash_cb(const void *obj, const int flags)
return ast_str_case_hash(chan->name);
}
/*!
* \internal
* \brief Implements the channels provider.
*/
static int data_channels_provider_handler(const struct ast_data_search *search,
struct ast_data *root)
{
struct ast_channel *c, *bc;
struct ast_channel_iterator *iter = NULL;
struct ast_data *data_channel, *data_bridged;
int channel_match, bridged_match;
channel_match = ast_data_search_has_condition(search,
"channel");
bridged_match = ast_data_search_has_condition(search,
"channel/bridged");
for (iter = ast_channel_iterator_all_new();
iter && (c = ast_channel_iterator_next(iter)); ast_channel_unref(c)) {
ast_channel_lock(c);
if (channel_match &&
ast_channel_data_cmp_structure(search, c, "channel")) {
ast_channel_unlock(c);
continue;
}
bc = ast_bridged_channel(c);
if (bridged_match && bc &&
ast_channel_data_cmp_structure(search, bc, "channel/bridged")) {
ast_channel_unlock(c);
continue;
}
data_channel = ast_data_add_node(root, "channel");
if (!data_channel) {
ast_channel_unlock(c);
continue;
}
ast_channel_data_add_structure(data_channel, c);
if (bc) {
data_bridged = ast_data_add_node(data_channel, "bridged");
if (!data_bridged) {
ast_channel_unlock(c);
continue;
}
ast_channel_data_add_structure(data_bridged, bc);
}
ast_channel_unlock(c);
}
if (iter) {
ast_channel_iterator_destroy(iter);
}
return 0;
}
/*!
* \internal
* \brief /asterisk/core/channels provider.
*/
static const struct ast_data_handler channels_provider = {
.version = AST_DATA_HANDLER_VERSION,
.get = data_channels_provider_handler
};
static const struct ast_data_entry channel_providers[] = {
AST_DATA_ENTRY("/asterisk/core/channels", &channels_provider),
};
void ast_channels_init(void)
{
channels = ao2_container_alloc(NUM_CHANNEL_BUCKETS,
ast_channel_hash_cb, ast_channel_cmp_cb);
ast_cli_register_multiple(cli_channel, ARRAY_LEN(cli_channel));
ast_data_register_multiple_core(channel_providers, ARRAY_LEN(channel_providers));
}
/*! \brief Print call group and pickup group ---*/